Kowa รุ่น TSN-99A ที่มาพร้อมเลนส์ตา 30-70 Wide Angle (TE-11WZ II) [OTSN-99A]
- Kowa TSN-99A PROMINAR angled spotting scope body
- TE-11WZ II 30-70x wide zoom eyepiece
- 99mm pure fluorite crystal objective lens
- Dual focus for fast and precise focusing
- Spotting scope with angular viewer in set with wide-angle zoom eyepiece 30-70x
- Ideal for digiscoping with the camera or smartphone
- Particularly suitable for nature or bird watching
Technical details
| Objective Lens Material: | Fluorite Crystal |
| Objective Lens Effective Diameter: | 99mm |
| Minimum Focusing Distance: | 6m |
| Filter thread: | 105mm |
| Length: | 378mm |
| Weight: | 1810g |
| Eye Relief: | 17.0mm |
| Magnification: | TSN-99: 30-70x Wide Zoom | TSN-880/770: 25-60x Wide Zoom |
| Field of view (degree): | TSN-99: 2.0 – 1.13 | TSN-880/770: 2.4 – 1.32 |
| Field of view at 1000m: | TSN-99: 35-20m | TSN-880/770: 42-23m |
| Exit Pupil Diameter: | TSN-99: 3.3-1.4mm | TSN-880/770: 3.5-1.5mm |
| Relative Brightness: | TSN-99: 10.9-2.0 | TSN-880/770: 12.3-2.3 |
| Twilight Factor: | TSN-99: 51.4-78.6 | TSN-880/770: 46.9-72.7 |
